Gaya APA
Hanna, paul. (2002).
Believe And Achieve ! .
Jakarta:
Erlangga.
Gaya Chicago
Hanna, paul.
Believe And Achieve !.
Jakarta:
Erlangga,
2002.
Text.
Gaya MLA
Hanna, paul.
Believe And Achieve !.
Jakarta:
Erlangga,
2002.
Text.
Gaya Turabian
Hanna, paul.
Believe And Achieve !.
Jakarta:
Erlangga,
2002.
Print.